Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5178766 | Composite semipermeable membrane, process of producing the same and method of producing highly pure water using the same | Toshihiro Ikeda, Yukio Nakagawa, Tadahiro Uemura | 1993-01-12 |
| 5167169 | Control system of an automatic transmission for an alcohol engine | Yoichi Saito, Takamitsu Kashima | 1992-12-01 |
| 5112487 | Porous membrane and production process thereof | Yoshio Himeshima, Hideaki Tanisugi, Tetsuo Watanabe, Tadahiro Uemura | 1992-05-12 |
| 5088350 | Automatic transmission system for an alcohol engine | Yoichi Saito | 1992-02-18 |
| 5085145 | Remote control device for ink groove width | Hideo Ohta, Yasuhiro Matsumoto | 1992-02-04 |
| 4981126 | Ignition timing control system | — | 1991-01-01 |
| 4963335 | Sterilizing apparatus | Takuya Adachi, Sukenori Ito, Akihiro Shiosaka, Atsushi Yuzawa, Masaaki Takada +2 more | 1990-10-16 |
| 4857363 | Process for preparation of semipermeable composite membrane | Tatsuo Sasaki, Hideo Fujimaki, Tadahiro Uemura | 1989-08-15 |
| 4761234 | Interfacially synthesized reverse osmosis membrane | Tadahiro Uemura, Yoshio Himeshima | 1988-08-02 |
| 4758343 | Interfacially synthesized reverse osmosis membrane | Tatsuo Sasaki, Hideo Fujimaki, Tadahiro Uemura | 1988-07-19 |
| 4634531 | Membrane treatment method for semipermeable membranes | Yukio Nakagawa, Katsufumi Oto | 1987-01-06 |
| 4559139 | High performance semipermeable composite membrane and process for producing the same | Tadahiro Uemura | 1985-12-17 |
| 4557949 | Method of making a reverse osmosis semipermeable membrane | Tetsuo Watanabe, Tetsuo Inoue | 1985-12-10 |
| 4478717 | Semipermeable membrane treated with modified vinyl polymer | Noriho Harumiya, Tadahiro Uemura | 1984-10-23 |
| 4387024 | High performance semipermeable composite membrane and process for producing the same | Tadahiro Uemura, Kiyoshi Okada | 1983-06-07 |
| 4366062 | Reverse osmosis using a composite isocyanurate membrane | Tetsuo Watanabe, Tetsuo Inoue | 1982-12-28 |
| 4305824 | Cellulose derivative reverse osmosis membrane | Tadahiro Uemura | 1981-12-15 |
| 4239545 | Cellulose derivative reverse osmosis membrane and casting solution and additive for preparing the same | Tadahiro Uemura | 1980-12-16 |